Fall Biology 1

Question 1 of 31

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In order to encode a new memory you must

Select one of the following:

  • review

  • attend

  • rehearse

Question 2 of 31

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Whether a new memory enters the brain

Select one of the following:

  • consolidation

  • recall

  • encoding

Question 3 of 31

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The number and locations of connections in your brain cells, storing a memory

Select one of the following:

  • consolidation

  • recall

  • encoding

Question 4 of 31

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The ability of the brain to quickly find the memory

Select one of the following:

  • consolidation

  • recall

  • encoding

Question 5 of 31

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What activity causes new cells to grow in the hippocampus, increases recall for up to 4 hours, and increases levels of serotonin in the brain.

Select one of the following:

  • listening to music

  • studying

  • playing video games

  • cardio exercise

Question 6 of 31

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Which of the following lead to better consolidation of a new memory?

Select one or more of the following:

  • Taking notes during a lecture

  • Reviewing material within 24 hours

  • Reviewing material in different ways

  • Waiting to study right before the test

Question 7 of 31

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Serotonin, dopamine and norepinephrine are all neurotransmitters

Select one of the following:

  • True
  • False

Question 8 of 31

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Which of the following are possessed by all cells? (Choose all that apply)

Select one or more of the following:

  • Ribosomes

  • Golgi apparatus and other organelles

  • Cytoplasm

  • Nucleus

  • DNA

  • Plasma membrane

Question 9 of 31

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Microfilaments and microtublues, that give the cell shape and act as the "highways" in a cell are called _________.

Select one of the following:

  • organelles

  • plasma membrane

  • cytoskeleton

  • cytoplasm

Question 10 of 31

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A gel like substance filling the area between the plasma membrane and the nucleus is called ____________.

Select one of the following:

  • organelles

  • plasma membrane

  • cytoskeleton

  • cytoplasm

Question 11 of 31

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The fluid and dynamic boundary made mostly of phospholipids is called ______________.

Select one of the following:

  • organelles

  • plasma membrane

  • cytoskeleton

  • cytoplasm

Question 12 of 31

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Membrane carbohydrates are molecules that form specialized sites on the cell's surface which allow cells to recognize each other

Select one of the following:

  • True
  • False

Question 13 of 31

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What are the molecules, embedded in the membrane, which regulate the fluidity of the cell membrane and changing temperature?

Select one of the following:

  • Membrane carbohydrates

  • Membrane receptors

  • Membrane cholesterol

Question 14 of 31

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What molecules are major components of the plasma membrane? (Choose all that apply)

Select one or more of the following:

  • carbohydrates

  • phospholipids

  • nucleic acids (DNA, RNA)

  • proteins

Question 15 of 31

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What flows from high to low? (Choose the ONE best answer)

Select one of the following:

  • Molecules, from high to lower concentration

  • Charged particles, from areas of high charge to areas of lower charge

  • Molecules, from areas of high pressure to areas of lower pressure

  • all of the above

  • none of the above

Question 16 of 31

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Carbon dioxide moving from 10% concentration in a cell's cytosol, to a 7% concentration outside the cell uses active cellular transport

Select one of the following:

  • True
  • False

Question 17 of 31

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Sodium ions moving from 4% outside to 10% inside needs active cellular transport.

Select one of the following:

  • True
  • False

Question 18 of 31

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Sugars moving from 5% concentration in the blood, to 3 % in the cells uses passive cellular transport.

Select one of the following:

  • True
  • False

Question 19 of 31

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Water moving from a cell that is 95% water out to the surrounding solution that is 90% is needs active cellular transport.

Select one of the following:

  • True
  • False

Question 20 of 31

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The movement from high concentration to lower concentration through some portion of the cell membrane is called ___________.

Select one of the following:

  • facilitated diffusion

  • osmosis

  • electrochemical gradient

  • diffusion

Question 21 of 31

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The diffusion of water across the cell membrane is called __________.

Select one of the following:

  • facilitated diffusion

  • osmosis

  • electrochemical gradient

  • diffusion

Question 22 of 31

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The difference (in concentration or charge) of any substance, between the inside and the outside of the cell is called ________________.

Select one of the following:

  • facilitated diffusion

  • osmosis

  • electrochemical gradient

  • diffusion

Question 23 of 31

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The movement of molecules from high to low concentration, through a one-way protein valve (like a turnstile) in the cell membrane is called ________________.

Select one of the following:

  • facilitated diffusion

  • osmosis

  • electrochemical gradient

  • diffusion

Question 24 of 31

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Oxygen and water molecules moving from high to low concentration will pass between the phospholipids of the membrane

Select one of the following:

  • True
  • False

Question 25 of 31

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Transmembrane protein pumps are used to transport substances (all except gases and water) from LOW to HIGH

Select one of the following:

  • True
  • False

Question 26 of 31

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Sugar and charged calcium ions, moving from high to low concentration will pass using a channel protein membrane "door"

Select one of the following:

  • True
  • False

Question 27 of 31

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Exocytosis and endocytosis are how very large particles get moved out of and in to through the cell membrane.

Select one of the following:

  • True
  • False

Question 28 of 31

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Energy is required:

Select one or more of the following:

  • When pumping ions from high concentration to lower concentration

  • For facilitated diffusion

  • When moving fat or lipids from lower to higher concentrations

  • When oxygen moves from oxygen rich to oxygen starved cells

Question 29 of 31

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Which way will the water molecules move if a cell, whose cytosol is 95% water is placed in a test-tube of salt water (10% salt, 90% water)?

Select one of the following:

  • into the cell

  • no net flow in or out

  • out of the cell

Question 30 of 31

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Which way will water molecules move if a cell, whose cytosol is 95% water, is placed in a test-tube of 100% water?

Select one of the following:

  • into the cell

  • no net flow in or out

  • out of the cell

Question 31 of 31

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In which case will the flow of sugar be FASTEST?

Select one of the following:

  • Sugar concentration outside of cell: 10% and Sugar concentration inside the cell: 8%

  • Sugar concentration outside of cell: 10% and Sugar concentration inside the cell: 2%

  • Sugar concentration outside of cell: 6% and Sugar concentration inside the cell: 2%

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Fall Biology 1

kkerr
Quiz by , created about 2 years ago

Quiz on Fall Biology 1, created by kkerr on 16/11/2014.

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Created by kkerr about 2 years ago
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